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Terms for subject Drilling containing 大直径 | all forms | in specified order only
ChineseEnglish
大直径丝堵bull plug
大直径套管射孔器big casing gun
大直径打捞矛big inch spear
大直径管线big inch line
大直径齿轮gear wheel
最大转盘开孔直径max. table opening
牙轮最大直径gauge tip diameter of the cone
超过钻头直径的井眼扩大部分enlargement over bit diameter
钻矿井用的大直径钻头trepan